Article Detail Which is the longest wall in world ? Answer: Great wall of China Similar Questions : 1. Which is the biggest museum in the world ? Answer: British Museum, London 2. Which is Highest Battle field ? Answer: Siachin Glacier. Mastguru team Salutes to Indian soldiers. 3. What is the name of tallest Animal ? Answer: Giraffe 4. Which is the longest River in the World ? Answer: Nile 5. Which is the lightest metal ? Answer: Lithium 6. Which is the largest Zoo in India ? Answer: Zoological Gardens, Alipur, Kolkata 7. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) Read more from - Longest and Largest